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Finding the Fourth Proportional to 91,246.87, 125,919.34 and 50,960.22

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Solution

The fourth proportional to 91,246.87, 125,919.34 and 50,960.22 is: 70,324.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,246.87 : 125,919.34 = 50,960.22 : x
  2. Step 2: Convert to fraction form
    91,246.87/125,919.34 = 50,960.22/x
  3. Step 3: Cross multiply
    91,246.87x = 125,919.34 × 50,960.22
  4. Step 4: Simplify right side
    91,246.87x = 6,416,877,268.65
  5. Step 5: Solve for x
    x = 6,416,877,268.65/91,246.87
  6. Step 6: Final answer
    x = 70,324.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.